package com.heima.behavior.service.impl;
import java.util.Date;

import com.heima.behavior.service.ApBehaviorEntryService;
import com.heima.behavior.service.ApUnlikeBehaviorService;
import com.heima.common.exception.CustException;
import com.heima.model.behavior.dtos.UnLikesBehaviorDTO;
import com.heima.model.behavior.pojos.ApBehaviorEntry;
import com.heima.model.behavior.pojos.ApUnlikesBehavior;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.threadlocal.AppThreadLocalUtils;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.stereotype.Service;

@Service
@Slf4j
public class ApUnlikeBehaviorServiceImpl implements ApUnlikeBehaviorService {
    //注入mongodb 模板对象
    @Autowired
    MongoTemplate mongoTemplate;

    //注入行为实体查询
    @Autowired
    ApBehaviorEntryService apBehaviorEntryService;

    /**
     * 不喜欢功能实现
     *
     * @param dto
     * @return
     */
    @Override
    public ResponseResult unlikeBehavior(UnLikesBehaviorDTO dto) {
        //1. 校验参数 文章id不能为空  需要登录 不喜欢类型取值为 0 或 1
        if (dto == null) {
            CustException.cust(AppHttpCodeEnum.PARAM_INVALID);
        }
        //校验参数 需要登录 文章id不能null  操作类型 0 或 1
        Integer uid = AppThreadLocalUtils.getUser().getId();
        if (uid == null) {
            CustException.cust(AppHttpCodeEnum.NEED_LOGIN);
        }
        //. 查询行为实体数据
        ApBehaviorEntry entry = apBehaviorEntryService.findByUserIdOrEquipmentId(uid, dto.getEquipmentId());
        //3. 如果是 不喜欢操作 查询不喜欢行为是否存在
        if (dto.getType().shortValue() == ApUnlikesBehavior.Type.UNLIKE.getCode()) {
            Query query = Query.query(Criteria.where("articleId").is(dto.getArticleId()));
            ApUnlikesBehavior apUnlikesBehavior = mongoTemplate.findOne(query, ApUnlikesBehavior.class);
            ApUnlikesBehavior behavior = new ApUnlikesBehavior();

            if (apUnlikesBehavior == null){
                //4. 如果不存在   添加不喜欢行为
                behavior.setEntryId(entry.getId());
                behavior.setArticleId(dto.getArticleId());
                behavior.setType((short)0);
                behavior.setCreatedTime(new Date());
                mongoTemplate.insert(behavior);
            }
        }
        if (dto.getType().shortValue() == ApUnlikesBehavior.Type.CANCEL.getCode()) {
        //5. 如果是 取消不喜欢操作  删除对应的不喜欢数据
            Query query = Query.query(Criteria.where("articleId").is(dto.getArticleId()).and("type").is(0));
            mongoTemplate.remove(query,ApUnlikesBehavior.class);
        }

        return ResponseResult.okResult();
    }
}
